| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
John T Preston is Director at CLH. John T Preston's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $2.1M at current prices.
Historically, John T Preston's trades have earned a below-average insider score of 32/100 across 4 rated trades. Over a 12-month horizon, none of those trades were profitable, with an average 12-month return of -32.0%.
The CLH filings lean toward selling, a net 20,926 shares.
John T Preston has 16 Form 4 filings on record from March 2018 to May 2026, all as Director at Clean Harbors (CLH), 2018–2026.
The 16 reported transactions were 10 stock awards and 6 open-market sales.
Counted by filing, the open-market trades come to no purchases and 6 sales worth about $2.2M.
The largest open-market sale was 6,000 shares of CLH at an average $85.49 on February 26, 2021, about $513K.
Neither of the two sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 14, 2024 | CLH Clean Harbors Inc | Director | Sell | 1,913 | $188.36 | $360,332.68 | -28.6% | +17.6% | +2.3% | |
| Aug 16, 2023 | CLH Clean Harbors Inc | Director | Sell | 2,095 | $173.68 | $363,859.60 | -23.9% | -3.7% | +37.7% | |
| Mar 2, 2023 | CLH Clean Harbors Inc | Director | Sell | 3,750 | $134.90 | $505,875.00 | -33.0% | +3.0% | +35.0% | |
| Aug 8, 2022 | CLH Clean Harbors Inc | Director | Sell | 2,168 | $111.50 | $241,738.29 | -16.0% | -0.3% | +52.8% | |
| Feb 26, 2021 | CLH Clean Harbors Inc | Director | Sell | 6,000 | $85.49 | $512,940.00 | -37.7% | - | - | |
| Mar 6, 2018 | CLH Clean Harbors Inc | Director | Sell | 5,000 | $50.93 | $254,650.00 | -34.7% | - | - |